应用“百宝箱”时，想要设置背景，，应该把背景图片放在那里？（）
A.顶层
B.中间层
C.底层
D.背景层
参考答案：D
I __________ a friend in Canada. He __________ a computer.[ ]
A. have, haves
B. am, is
C. have, has
D. has, have
—Tom, please tell me _________.
—In Sunshine Second School.[ ]
A. where will the match take place
B. where the match will take place
C. when will the match take place
D. when the match will take place
